Chlorine-bearing molecules in molecular absorbers at intermediate redshifts S. H. J. Wallström, S. Muller, E. Roueff, R. Le Gal, J. H. Black and M. Gérin A&A, 629 (2019) A128 Published online: 16 September 2019 DOI: 10.1051/0004-6361/201935860